| ≥1 piece |
Rice Bran Oil refining process:
Crude rice bran oil—degumming—deacidification—decolorization—deodorization—winterization/fractionation—standard edible oil
A. Degumming
Oil widely use water degumming and acid degumming.
a. Water Degumming: Hydratable gums are removed by treating oils with water and separating the gums. The gums can be dried to produce lecithin.
b. Acid Degumming: Non-Hydratable gums are removed by treating oils with acids and separating the gums.
Adding a certain amount of hot water or dilute alkali, salt, phosphoric acid these electrolyte solution into hot crude oil under stripping, it makes the gum soluble impurities absorption and condensation, and then settlement separate.
B. deacidification
The purpose of deacidification is to remove Free-Fatty Acids (FFAs) in crude oi. Traditionally, use Alkali to remove acid, and carry out neutralization of chemical reaction to reach deacidification. The reaction produces Soaps which are separated from the oil.
C. decolorization
After degumming and deacidification, we can get grade 3 or grade 4 oil, but if we want top grade oil(salad oil, cosmetic oil, oil for light colored paint, soap and margarine) ,we need to remove some pigment inside oil. The most widely way is absorption method that is using white clay to absorb pigment out of the oil.
D. Deodorization
Natural oil has its own special smell (odor), and in the process of oil production will also produce odor (such as solvent smell, soap taste and earthy etc). Deodorization means a process to remove the special smell of oil. The best method for deodorization is vacuum steam deodorization. Our machine for deodorization is deodorization tower. It uses superheated steam (vacuum) to remove flavor substances in the oil.
E.Winterizing/Dewaxing
Winterization of oil is a process of removing of the higher melting point parts from oil like waxes or triglycerides by slowly cooling vegetable oils and felling saturated glycerides from the solvent. Used primarily for oils in salad dressings. Mainly applied in Bio Industry. The most common oil that is winterized is Rice Bran oil, Sunflower oil, Sesame oil, Castor oil which has a high content of waxes, fatty acids and lipids.
The experience and specialization of Doing:
A.40 years manufacturing experience.
B. 26 technical engineers research new efficient processing craft and instruct manufacturing and installation.
C. 76 technicians - professional installation team -with rich and mature installation and training experience.